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lubasha [3.4K]
3 years ago
10

{ (-2, 4), (0, 2), (-1, 3), (4, -2) } The set of ordered pairs above: A mapping diagram has 2 boxes. Box 1 is labeled domain wit

h entries negative 3, 4, negative 1, 5. Box 2 is labeled range with entries 3, 7, negative 2. Arrows show which domain value match onto which range value. An arrow goes from negative 3 to 3, 4 to 7, and arrows go from both negative 1 and 5 to negative 2. The mapping diagram above:
Mathematics
1 answer:
shutvik [7]3 years ago
6 0

Answer:

B

Step-by-step explanation:

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Anyone good with algebra 2??
sweet [91]
A discontinuity is a point that cannot exist because the x-coordinate would cause a problem in the equation. If you have a polynomial in the denominator, you must find which values of x would cause the polynomial in the denominator to evaluate to zero. Since division by zero is undefined, that would cause a discontinuity.

Let's look at your function.

f(x) = \dfrac{x^2 - 16}{6x - 24}

x^2 - 16  is in the numerator. It is defined for every value of x. There is no problem there.

6x - 24  is in the denominator. This is a function defined for every value of x, but since it is in the denominator, we must exclude the x-value that would cause this polynomial to evaluate to zero.

We set it equal to zero and solve the equation for x.

6x - 24 = 0

6x = 24

x = 4

For x = 0, the denominator has a value of zero, so at this point there is a discontinuity in function f(x).

The answer is:

x \ne 4

6 0
3 years ago
Find the equation of the line that has a slope of -½ and passes through the point (-6,9)
skelet666 [1.2K]

Answer:

y = -1/2x +6

Step-by-step explanation:

We can use the slope intercept form of a line

y = mx+b where m is the slope and b is the y intercept

y = -1/2x +b

Substitute the point into the equation

9 = -1/2 (-6) +b

9 = 3+b

9-3 =b

6 =b

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6 0
3 years ago
Why it is not possible for two lines to be parallel and perpendicular?
max2010maxim [7]
Parallel lines have the same slope. for example, the two lines y = 6x + 3 and
y = 6x - 5 are parallel because they have the same slope, 6x.

the slopes of perpendicular lines are opposite reciprocals, which means that you would flip the numbers of the fraction and make it negative. for example, the opposite reciprocal of -3x is 1/3x.

also, parallel lines never intersect, whereas perpendicular lines intersect at a 90 degree angle.

therefore, it isnt possible for two lines to be both parallel and perpendicular.
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3 years ago
5. Based on its table of values, which graph has the greatest slope?
lions [1.4K]
D they all have the same slope. 

8 0
3 years ago
What number makes the equation true? [???] ÷ 8 = 4​
Elina [12.6K]

Answer:

32

Step-by-step explanation:

math

................

3 0
2 years ago
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